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Author Topic: Small business network  (Read 8530 times)
jamerson
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« on: Monday 25 February 2013, 11:28:37 am »

Dear All,
i have a questions hopefully someone can help or atleast gives advice!
i have one Server running ESXI 5.1
* Exchange
* Domain controller
* File server
* Centos Server
i have two computers and 1 laptop home which are sharing my small business network some of them are on the domain and others are not,
i have ISP router with build in firewall,
i want to use Endian firewall as a firewall to controlls all my internet connection in home and small business, the idea was to use it as Gaterway in my computer machines,

can you advise what is the proper way to do this?
my ISP router has the next info
IP Gateway : 192.168.178.1
Subnet 255.255.255.0 ( Class C)


thank you so much
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mrkroket
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« Reply #1 on: Saturday 02 March 2013, 05:50:21 am »

Depends on what you have available to build the firewall.
If you have a physical machine with two network cards, the best option is to connect Endian between your network and your ISP router. It ensures the best isolation between internet and your LAN.

Another option is to add Endian with only one network card, and use it as a gateway (RED interface as gateway IP 192.168.178.1).
 This is easy to implement, it doesn't change almost anything on your network. You just need one free IP and change the gateway IP on the machines to endian (via DHCP or fixed IPs).
  You can start testing it on a single machine (by changing the gateway only to a test machine), and once it works ok do the changes on DHCP and fixes IP's

If you are not sure about working with networks and firewall, just be careful and don't go for the first option, if done wrong you can end without internet connection. Option 2 is somewhat less intrusive.
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jamerson
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« Reply #2 on: Wednesday 06 March 2013, 09:45:17 am »

Thank you for the answer,
while configuring the ENdian firewall, give it free ip and put it static,
IP: 192.168.178.10
Sub 255.255.255.0
Gate 192.168.178.1

and use the 192.168.178.10 as Gateway on the virtual machines,
 or you mean keep the green ip 192.168.0.15 and configure the firewall with red interface as 192.168.178.1 ?

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